Femtosecond light scattering spectroscopy of single gold nanoparticles

Tamitake Itoh, Tsuyoshi Asahi*, Hiroshi Masuhara

*Corresponding author for this work

Research output: Contribution to journalArticle

79 Scopus citations

Abstract

We have developed an ultrafast, light-scattering spectroscopic system combining a conventional microscope with a pump-probe setup. We successfully measured the surface plasmon resonance band for the individual gold particles with a mean radius of 40 nm. The results on the pump-probe experiment demonstrate that both the electron-phonon and the phonon-phonon coupling processes in the individual gold particles take place with the lifetimes of 4 ps and > 25 ps, respectively.

Original languageEnglish
Pages (from-to)1667-1669
Number of pages3
JournalApplied Physics Letters
Volume79
Issue number11
DOIs
StatePublished - 10 Sep 2001

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